PSI-678-SP-01-05
View detailed technical data, stock status, and sourcing information for: PSI-678-SP-01-05
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A washer having a centrally located hole with a solid or laminated cross-section and two flat parallel bearing surfaces. The hole must be 75 percent or less than the largest dimension and the bearing surface finish is greater than 32 microinch (0.8 micrometer). The thickness cannot exceed 25 percent of the largest outside dimension. When the largest outside dimension is less than 1/4 inch or 6mm, the thickness must be 0.006 inches (0.15mm) or greater and for items 1/4 inch (6mm) or larger, the thickness must be 0.016 inches (0.4mm) or greater. The maximum tolerance is applied to dimensions and used as a determining factor. Items with separable lamination use shim. For items fabricated from ceramic or electrically rated materials by specification or industry standards use insulator (1), washer. Excludes:disk, valve, graphite impregnated and lubricated items.
round center hole shape style, 0.312 inches nominal hole diameter, rectangular cross-sectional shape style, 0.065 inches nominal thickness, round peripheral shape style
Product Characteristics
Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.
- Cross-Sectional Shape Style
- rectangular
- Hole Diameter
- 0.312 inches nominal
- Peripheral Shape Style
- round
- Center Hole Shape Style
- round
- Thickness
- 0.065 inches nominal
- Overall Diameter
- 0.750 inches nominal
- End Item Identification
- mrap buffalo mk2a2; mrap - cougar cat1 a1; mrap - cougar cat1 a2; armored multi-purpose vehicle (ampv); multiple launch rocket system (mlrs); a4 bradley fighting vehicle; a3 bradley fighting vehicle; logistics support vessel
- Material
- steel comp 301 or steel comp 302 or steel comp 316 overall
- Material Document And Classification
- 66 fed std all material responses overall
- Surface Treatment
- passivate overall
- Nondefinitive Spec/Std Data
- a type and 1 grade and b class
Replaces National Stock Numbers
Below is a list of NSNs that have been officially superseded by this NSN:
| NSN | Name | Date |
|---|---|---|
| 5310-00-069-5290 | No Name Available | 07/01/2007 |
| 5305-00-093-7399 | No Name Available | 07/30/1974 |
| 5310-00-576-6934 | No Name Available | 01/01/1983 |
| 5310-00-596-7601 | No Name Available | 08/01/1984 |
| 5310-00-882-9642 | No Name Available | 06/26/1968 |
| 5310-01-028-3607 | No Name Available | 01/01/1986 |
| 5310-01-556-4317 | No Name Available | 03/01/2009 |
Related Parts
This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:
| Part Number | Name |
|---|---|
| 10121790 | Flat Washer |
| 145-4510923-56 | Flat Washer |
| 305-015-2502 | Flat Washer |
| 411027-811 | Flat Washer |
| 5310008805977 | Flat Washer |
| 58531 | Flat Washer |
| 6931056 ITEM 12 | Flat Washer |
| 852643 | Flat Washer |
| 98019A360 | Flat Washer |
| MS15795-811 | Flat Washer |
| PSI-678-SP-01-05 | Flat Washer |
| VM65359-1 | Flat Washer |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5310-00-880-5977?
Does the NSN 5310-00-880-5977 have a Schedule B code assigned?
Does NSN 5310-00-880-5977 require demilitarization?
Does NSN 5310-00-880-5977 contain precious materials?
Does NSN 5310-00-880-5977 contain hazardous materials?
When the NSN 5310-00-880-5977 was assigned to the Federal Catalog?
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Pricing
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